BBEdit script to open the file I'm looking at in github and copy the URL to my pasteboard

Open in Github.py

#!/usr/local/bin/python3

import os
import re
import subprocess
from typing import Optional, Sequence

from pathlib import Path, PurePath

doc_path: Optional[str] = os.getenv('BB_DOC_PATH')

if doc_path is None:
    pass
else:
    path = Path(doc_path)
    directory = path

    line = int(os.getenv('BB_DOC_SELSTART_LINE') or 1)

    if not path.is_dir():
        directory = path.parent

    def write_to_clipboard(output: str) -> None:
        process = subprocess.Popen(
            'pbcopy', env={'LANG': 'en_US.UTF-8'}, stdin=subprocess.PIPE)
        process.communicate(output.encode('utf-8'))

    def read_command(command: Sequence[str], cwd: Path) -> Optional[str]:
        process = subprocess.Popen(
            command, cwd=cwd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
        bytes, _ = process.communicate()
        if len(bytes) > 0:
            return bytes.decode('utf-8')
        else:
            return None

    origin = read_command(["git", "remote", "get-url", "origin"], directory)
    branch = read_command(
        ["git", "rev-parse", "--abbrev-ref", "HEAD"], directory)

    if origin is None:
        pass
    elif branch is None:
        pass
    else:
        branch = branch.rstrip()

        matches = re.match("git@github.com:(.*)\.git", origin)
        match = matches[1]
        (account, repo_name) = PurePath(match).parts
        dest = []
        reached = False
        for part in path.parts:
            if part == repo_name:
                reached = True
            elif reached:
                dest.append(part)
        joined = os.path.join(account, repo_name, 'tree', branch, *dest)

        if line > 1:
            url = "https://github.com/%s#L%s" % (joined, line)
        else:
            url = "https://github.com/%s" % joined
        write_to_clipboard(url)

        subprocess.call(["/usr/bin/open", url])